TY  - BOOK
AU  - LOWELL A. MARTIN, E. V. MCLOUGHLIN, ETC.
TI  - THE BOOKS OF KNOWLEDGE VOLUME 2
U1  - 049.52 BOK v.2 1960 
PY  - 1960///
CY  - 
PB  - GROLIER SOCIETY
KW  - 各国百科全书
ER  -